CVE-2025-61871 (CVSS 6.7)

Description

NAS Navigator2 Windows version by BUFFALO INC. registers a Windows service with an unquoted file path. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege.

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CVSS v3.1 Score

6.7

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-428 CWE-428

References

Other References

https://jvn.jp/en/jp/JVN69099112/ https://www.buffalo.jp/news/detail/20251009-01.html

Frequently Asked Questions

What is CVE-2025-61871? +

NAS Navigator2 Windows version by BUFFALO INC. registers a Windows service with an unquoted file path. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege. It has a CVSS v3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2025-61871? +

CVE-2025-61871 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-61871? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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